JP7035746B2 - Information processing equipment, information processing method, and inventory management system - Google Patents

Description

The present invention relates to an information processing apparatus, an information processing method, and an inventory management system.

As an inventory management method, there is a method using RFID (Radio Frequency Identification). For example, in the storage management method described in Patent Document 1, an RFID tag is provided in the stored material, and inventory management is performed by detecting radio waves emitted by the RFID tag with an RFID reader device.

Japanese Unexamined Patent Publication No. 2013-06518 Japanese Unexamined Patent Publication No. 2017-178621

However, in the inventory management method using RFID as in Patent Document 1, it is difficult to acquire accurate position information of RFID due to fluctuations in radio waves, and the same result may not always be obtained even under the same conditions. As a result, there is a problem that the RFID position information confirmed by the RFID reader device may change every time the reference is made.

In addition, since a large number of RFID reader devices are required according to the control particle size and RFID is required for the number of inventory to be managed, for example, when it is difficult to collect the RFID attached to the inventory, it is necessary to constantly replenish the RFID. There was a problem that the cost was high.

Therefore, in Patent Document 2, the present inventors have proposed an inventory management system using a marker attached to a section of an inventory management area, an identifier attached to an article to be installed, and an image pickup device for photographing them. ..

However, there is a problem that the cost of management for distinguishing the division of the inventory management area with a marker is required. In addition, since the article has a height, the position on the layer of the identifier on the article taken by the image pickup device deviates from the position of the image of the floor where the article is installed, and the grasp of the installation position of the article is inaccurate. There was a problem of becoming.

The present invention has been made in view of the above points, and is an information processing device, an information processing method, and an inventory capable of accurately grasping the position of an article and performing inventory management at low cost with a simple configuration. Provide a management system.

The present invention is an information processing device used in an information processing system composed of an image pickup device for photographing an identifier attached to an article installed in an inventory management area and an information processing device in order to solve the above problems.
The information processing device has a storage unit, an identifier recognition means, and a storage position calculation means.
The identifier recognition means recognizes the identifier from the image data taken by the image pickup apparatus, and the identifier recognition means recognizes the identifier.
The storage position calculation means divides the angle of view data of the identifier by the reference angle of view data to calculate the angle of view enlargement coefficient, and calculates the placement position data of the article from the angle of view enlargement coefficient and the image position of the identifier.
It is an information processing device characterized by this.

The present invention has an effect that it is possible to obtain an accurate placement position of articles of different heights installed in the inventory management area by this configuration.

Further, the present invention is the above-mentioned information processing apparatus.
The storage unit stores an identifier information table that associates the identifier with the article name.
The identifier recognizing means extracts an image of the identifier from the image data taken by the image pickup apparatus, and collates the image of the identifier with the identifier recorded by the identifier information table, whereby the article to which the identifier is attached is attached. Identify the item name and
The storage position calculation means calculates the angle of view enlargement coefficient obtained by dividing the angle of view data of the identifier by the reference angle of view data related to the image position of the identifier.
The placement position data of the article is calculated from the angle of view enlargement coefficient and the image position of the identifier.
It is an information processing device characterized by this.

Further, the present invention is the above-mentioned information processing apparatus.
The reference angle of view data related to the image position of the identifier is
The identifier of the floor surface of the inventory management area is stored in the angle of view map file in which the angle of view taken by the image pickup device is recorded for each position of the image related to the position of the floor surface.
It is an information processing device characterized by this.

Further, the present invention is the above-mentioned information processing apparatus, which is an information processing apparatus having a storage management database for storing the article name of the article and the arrangement position data of the article.

Further, the present invention is an information processing method using an information processing system composed of an image pickup device for photographing an identifier attached to an article installed in an inventory management area and an information processing device.
The identifier recognition means of the information processing device recognizes the identifier from the image data taken by the image pickup device, and the identifier is recognized.
The storage position calculation means of the information processing apparatus divides the angle of view data of the identifier by the reference angle of view data to calculate the angle of view enlargement coefficient, and the placement position data of the article is calculated from the angle of view enlargement coefficient and the image position of the identifier. To calculate,
It is an information processing method characterized by this.

Further, the present invention is the above-mentioned information processing method.
The storage unit of the information processing device stores an identifier information table that associates the identifier with the article name, and stores the identifier information table.
The identifier recognizing means extracts an image of the identifier from the image data taken by the image pickup apparatus, and collates the image of the identifier with the identifier recorded by the identifier information table, whereby the article to which the identifier is attached is attached. Identify the item name and
The storage position calculation means calculates the angle of view enlargement coefficient obtained by dividing the angle of view data of the identifier by the reference angle of view data related to the image position of the identifier.
The placement position data of the article is calculated from the angle of view enlargement coefficient and the image position of the identifier.
It is an information processing method characterized by this.

Further, the present invention is the above-mentioned information processing method.
The reference angle of view data related to the image position of the identifier is
The identifier of the floor surface of the inventory management area is stored in the angle of view map file in which the angle of view taken by the image pickup device is recorded for each position of the image related to the position of the floor surface.
It is an information processing method characterized by this.

Further, the present invention is the above-mentioned information processing method, which is an information processing method characterized in that the article name of the article and the arrangement position data of the article are stored in a storage management database.

Further, the present invention is an inventory management system including an image pickup device for photographing an identifier attached to an article installed in an inventory management area and an information processing device.
The information processing device has a storage unit, an identifier recognition means, and a storage position calculation means.
The identifier recognition means recognizes the identifier from the image data taken by the image pickup apparatus, and the identifier recognition means recognizes the identifier.
The storage position calculation means divides the angle of view data of the identifier by the reference angle of view data to calculate the angle of view enlargement coefficient, and calculates the placement position data of the article from the angle of view enlargement coefficient and the image position of the identifier.
It is an inventory management system characterized by this.

Further, the present invention is the above-mentioned inventory management system.
The storage unit stores an identifier information table that associates the identifier with the article name.
The identifier recognizing means extracts an image of the identifier from the image data taken by the image pickup apparatus, and collates the image of the identifier with the identifier recorded by the identifier information table, whereby the article to which the identifier is attached is attached. Identify the item name and
The storage position calculation means calculates the angle of view enlargement coefficient obtained by dividing the angle of view data of the identifier by the reference angle of view data related to the image position of the identifier.
The placement position data of the article is calculated from the angle of view enlargement coefficient and the image position of the identifier.
It is an inventory management system characterized by this.

Further, the present invention is the above-mentioned inventory management system.
The reference angle of view data related to the image position of the identifier is
The identifier of the floor surface of the inventory management area is stored in the angle of view map file in which the angle of view taken by the image pickup device is recorded for each position of the image related to the position of the floor surface.
It is an inventory management system characterized by this.

Further, the present invention is the above-mentioned inventory management system, which is an inventory management system characterized by having a storage management database for storing the article name of the article and the arrangement position data of the article.

The present invention uses an inventory management system composed of an image pickup device for photographing an identifier attached to an article installed in an inventory management area and an information processing apparatus, and the storage position calculation means possessed by the information processing apparatus is photographed by the image pickup device. Accurate placement position data of the article is calculated from the image angle enlargement coefficient obtained by dividing the image angle data of the identifier by the reference image angle data and the image position of the identifier.

The present invention has an effect that it is possible to obtain an accurate arrangement position of articles having different heights installed in an inventory management area with a simple configuration and low cost by this configuration.

It is a schematic diagram which shows an example of the stock management by the stock management system which concerns on 1st Embodiment of this invention. It is a block diagram which shows the functional structure of the stock management system which concerns on 1st Embodiment of this invention. It is a figure which shows an example of the structure of the identifier information table stored in the inventory management system which concerns on 1st Embodiment of this invention. It is a figure which shows an example of the structure of the article storage position information stored in the storage management database of the stock management system which concerns on 1st Embodiment of this invention. (A) It is a side view which shows the relationship between the image pickup apparatus of the inventory management system which concerns on 1st Embodiment of this invention, an article, and an identifier. (B) It is a top view which shows the image data taken by the image pickup apparatus. It is a flowchart which shows an example of the operation of the information processing apparatus which concerns on 1st Embodiment of this invention.

The inventory management system according to each embodiment of the present invention is a system used for inventory management of articles stored horizontally in an inventory management area such as a warehouse.

<First Embodiment>
A first embodiment of the present invention will be described with reference to FIGS. 1 to 6.

FIG. 1 is a schematic diagram showing an example of inventory management by the inventory management system according to the first embodiment of the present invention. As shown in FIG. 1, a plurality of articles having an identifier tg installed are horizontally placed and stored in an inventory management area of a warehouse. Then, the inventory management system photographs the inventory management area with the image pickup device 10 installed on the ceiling of the warehouse or the like.

(Configuration of inventory management system)
The block diagram of FIG. 2 shows the configuration of the inventory management system of the present embodiment. In the inventory management system, the identifier recognition means 211 of the analysis unit 210 of the information processing apparatus 20 analyzes the image taken by the image pickup apparatus 10 in the inventory management area and extracts the image of the identifier tg. The storage position calculation means 212 of the analysis unit 210 analyzes the image of the identifier tg and calculates the position of the article to which the identifier tg is attached.

(Image pickup device 10)
The image pickup apparatus 10 is installed above the inventory management area, for example, on the ceiling of a warehouse accommodating the inventory management area, as shown in FIG. 1, and photographs the inventory management area. That is, the image pickup device 10 is installed at a position where the entire inventory management area is within the entire angle of view of the image pickup device 10, and always takes a picture.

Then, the image pickup apparatus 10 transmits the captured image data to the information processing apparatus 20 via a wired or wireless communication network.

(Information processing device 20)
The information processing device 20 analyzes the image data received from the image pickup device 10. The information processing apparatus 20 is composed of, for example, a personal computer, a general-purpose computer, or the like, and includes an analysis unit 210, a storage unit 220, and a storage management database 230.

The storage medium of the storage unit 220 (identifier information storage unit) is configured to include, for example, an HDD, a flash memory, an EEPROM, a RAM, a ROM, or any combination thereof.

(Identifier information table 221)
The storage unit 220 stores the identifier information table 221 that associates the article with the identifier tg attached to the article.

FIG. 3 is a diagram showing an example of the configuration of the identifier information table 221 stored in the storage unit 220.

As shown in FIG. 3, the identifier information table 221 is two-dimensional tabular data composed of columns of two items, “identifier tg” and “article”. The identifier tg1 and the identifier tg2 are associated with the article 111 and the article 222, respectively.

(Identifier tg)
Since the inventory management system detects the identifier tg from the image based on the acquired image data by using the image matching technique with the image defined in the identifier information table 221, the identifier tg attached to each article. Is an identifier tg having a different shape, color, pattern, or the like.

(Analysis unit 210)
The analysis unit 210 of the information processing apparatus 20 has an identifier recognition unit 211 and a storage position calculation unit 212.

(Identifier recognition means 211)
The identifier recognition means 211 of the analysis unit 210 analyzes the image based on the image data received from the image pickup apparatus 10 to detect the identifier tg. When the identifier tg is detected, the identifier recognizing means 211 identifies the article by collating it with the identifier information table 221 read from the storage unit 220.

That is, when the identifier tg is detected by analyzing the image based on the image data, the identifier recognition means 211 uses the identifier information table 221 to extract information on the article corresponding to the detected identifier tg. Identify the article by. As a result, the identifier recognition means 211 recognizes the goods existing in the inventory management area.

(Storage position calculation means 212)
The storage position calculation means 212 of the analysis unit 210 reads the position (identifier image position) of the identifier tg and the angle of view in the image of the image data taken by the image pickup device 10.

(Angle of view map file)
The storage position calculation means 212 sets the angle of view (reference angle of view) of the identifier tg of a predetermined dimension taken by the image pickup device 10 when the height of the article from the floor is 0, and the position of the image taken by the image pickup device 10. The angle of view map file memorized for each is memorized. In addition, the angle of view map file stores reference position data of the inventory management area corresponding to each position of the image.

As for the data group of the angle of view (reference angle of view) of the identifier tg of the predetermined dimension taken by the image pickup device 10 recorded in the angle of view map file, the image pickup device 10 for photographing the article in the inventory management area uses a fisheye lens. Different data groups are recorded depending on the shooting method, such as shooting.

The storage position calculation means 212 calculates the image enlargement coefficient k of the value obtained by dividing the angle of view of the identifier tg taken by the image pickup apparatus 10 by the reference angle of view. Then, using the image enlargement coefficient k and the reference position data, the height data of the article from the floor surface is calculated, and the accurate placement position data of the article in the inventory management area is calculated.

In this way, the storage position calculation means 212 obtains an accurate placement position of the article from the angle of view enlargement coefficient k obtained by dividing the angle of view data of the identifier tg taken by the image pickup apparatus 10 by the reference angle of view data and the identifier image position of the identifier tg. Calculate the data.

The present invention has the effect of being able to obtain an accurate placement position of articles of different heights installed in the inventory management area with a simple configuration and low cost.

The analysis unit 210 transmits the article of the identifier tg detected by the identifier recognition means 211 and the storage position data of the article calculated by the storage position calculation means 212 to the storage management database 230.

(Storage management database 230)
The storage management database 230 stores the article storage position information as shown in FIG. 4, which is composed of the article created by the analysis unit 210 and the storage position data thereof, in the storage management database 230. That is, in the article storage position information of FIG. 4, the article name and the storage position data in which the article is placed in the inventory management area of FIG. 1 are associated with the identifier tg of the article, and other articles. It is composed by adding information about.

The storage management database 230 stores a table of this article storage location information. In this way, the storage management database 230 stores the article storage position information of where the article is stored in the inventory management area in association with the information of the identifier tg of each article. Thereby, the inventory management system can grasp which article is placed in which position by referring to the article storage position information stored in the storage management database 230.

That is, the storage management database 230 lists the storage position data of the articles by collecting the article storage position information. This has the effect that the operator at the remote location can instruct the inventory work and the entry / exit of the article from the remote location by referring to the article storage position information stored in the storage management database 230.

(Identification of goods by identifier recognition means 211)
Hereinafter, an example of determination and identification of the presence or absence of an article will be described again with reference to FIG.

As shown in FIG. 1, in the inventory management area managed by the inventory management system, five types of articles classified by identifier tg1, identifier tg2, identifier tg3, identifier tg4, and identifier tg5 are placed.

The identifier recognition means 211 of the analysis unit 210 of the information processing apparatus 20 analyzes the image of the inventory management area taken by the image pickup apparatus 10, and has the identifier tg1, the identifier tg2, the identifier tg3, and the identifier defined in the identifier information table 221. Attempts to detect the same identifier tg as tg4 and identifier tg5. In the detection process, for example, a general image matching technique such as a template matching method is used.

In this way, the identifier recognition means 211 of the analysis unit 210 detects the identifier tg5 from the identifier tg1 from the image of the inventory management area shown in FIG. 1, and the inventory management system detects the detected identifier tg and the identifier information table 221. Identify the article based on.

(Calculation of storage position data of goods by storage position calculation means 212)
Hereinafter, a method of calculating the storage position data of the article by the storage position calculation means 212 of the analysis unit 210 will be described with reference to FIG.

FIG. 5A is a side view showing a state in which the image pickup apparatus 10 photographs an identifier tg attached to an article of each height, and FIG. 5B is an inventory management photographed by the image pickup apparatus 10. It is a plan view showing an image of an area.

In the plan view of FIG. 5B, the identifier tg attached on a plurality of articles of different heights placed at different positions in the inventory management area represents an image taken by the image pickup apparatus 10.

The image captured by the image pickup apparatus 10 differs between the case where the identifier tg is placed on the floor surface of the inventory management area and the case where the identifier tg is placed on an article having a height above the floor surface.

That is, the angle of view of the identifier tg placed on the article having a height from the floor surface of the inventory management area becomes large. For example, when the height of the article directly under the image pickup device 10 from the floor surface is half the height of the image pickup device 10 from the floor surface, the identifier tg attached to the article is photographed by the image pickup device 10. The angle of view is twice as large as when the identifier tg is placed on the floor and photographed, and the identifier tg looks larger accordingly.

Further, when the article is placed at a position deviated from the position on the floor surface in the center of the inventory management area directly under the image pickup apparatus 10, and the article has a height from the floor surface, the identifier tg attached to the article is used. The position (identifier image position) in the image taken by the image pickup apparatus 10 is taken at the same identifier image position as the identifier image position taken on the floor surface at a position farther than the position of the floor surface on which the article is placed. To.

The storage position calculation means 212 compares the angle of view of the identifier tg taken at a predetermined position on the image taken by the image pickup apparatus 10 with the angle of view of the identifier tg recorded in the angle of view map file, and both are used. By calculating the ratio of the angles of view of, the height of the article from the floor is calculated. Then, the storage position calculation means 212 calculates the deviation distance of the arrangement position of the article from the data of the height of the article from the floor surface with respect to the position of the inventory management area corresponding to the position on the image in which the article was taken. do. As a result, the storage position calculation means 212 calculates an accurate placement position of the article.

The storage position calculation means 212 calculates the position of the identifier tg (identifier image position) and the angle of view in the image taken by the image pickup apparatus 10.

The storage position calculation means 212 reads out the reference angle of view data of the identifier tg at the position in the captured image of the image pickup apparatus 10 and the corresponding reference position data of the inventory management area from the angle of view map file. Then, the image enlargement coefficient k of the value obtained by dividing the angle of view of the identifier tg taken by the image pickup apparatus 10 by the reference angle of view data is calculated.

The storage position calculation means 212 calculates the height data of the article from the floor surface and the accurate placement position data of the article in the inventory management area by using the image enlargement coefficient k and the reference position data.

By the above processing, the identifier recognition means 211 of the analysis unit 210 of the information processing apparatus 20 analyzes the image data of the inventory management area taken by the image pickup apparatus 10 to detect the identifier tg, and the detected identifier tg and the identifier. The type of the article existing in the inventory management area is recognized based on the information table 221. Further, the storage position calculation means 212 recognizes the storage position by calculating accurate placement position data of the article in the inventory management area.

(Operation of information processing device 20)
The operation of the information processing apparatus 20 will be described below with reference to FIG.
FIG. 6 is a flowchart showing an example of the operation of the information processing apparatus 20.

(Step S1)
First, the image data captured by the image pickup device 10 is transmitted to the information processing device 20, the information processing device 20 stores the image data in the storage unit 220, and the analysis unit 210 reads the image data from the storage unit 220 for processing. do.

(Step S2)
The identifier recognition means 211 of the analysis unit 210 reads out the identifier information table 221 as shown in FIG. 3 from the storage unit 220. The identifier recognition means 211 analyzes the image data received from the image pickup apparatus 10 and attempts to detect the same identifier tg as the identifier tg defined in the identifier information table 221.

The identifier recognition means 211 identifies the article name associated with the detected identifier tg by using the identifier information table 221.

(Step S3)
The storage position calculation means 212 of the analysis unit 210 reads the image data captured by the image pickup apparatus 10 from the storage unit 220, and reads the position of the identifier tg (identifier image position) and the angle of view in the image.

(Step S4)
The storage position calculation means 212 reads out the reference angle of view data of the identifier tg at the position in the captured image of the image pickup apparatus 10 and the corresponding reference position data of the inventory management area from the angle of view map file. Then, the image enlargement coefficient k of the value obtained by dividing the angle of view of the identifier tg taken by the image pickup apparatus 10 by the reference angle of view data is calculated.

(Step S5)
The storage position calculation means 212 calculates the height data of the article from the floor surface using the image enlargement coefficient k and the reference position data, and calculates the accurate arrangement position data of the article in the inventory management area.

(Step S6)
Next, the analysis unit 210 transmits the data of the article name corresponding to the newly detected identifier tg and the arrangement position of the article in the inventory management area to the storage management database 230. The storage management database 230 creates the article storage position information including the article name corresponding to the newly detected identifier tg, the data of the arrangement position of the article in the inventory management area, and the information about other articles as shown in FIG. And remember.

In this way, the storage management database 230 stores a table of article storage position information as to where the article is stored in the inventory management area in association with the information of the identifier tg of each article. Thereby, the inventory management system can grasp which article is placed in which position by referring to the article storage position information stored in the storage management database 230.

As a result, the information processing apparatus 20 does not need to receive radio waves, unlike the conventional inventory management method using RFID, which needs to receive radio waves. Therefore, in the information processing apparatus 20 according to the first embodiment, for example, when the inventory management area and the area where inventory is not managed are close to each other, or when an object that shields radio waves such as metal is in the inventory management area. Even if it exists in, inventory management can be performed correctly.

Further, the information processing device 20 takes a picture of the entire inventory management area by an image pickup device 10 composed of a general camera or the like, and analyzes the taken image by using a general image matching technique, which is simple. Inventory management can be performed by configuration. Therefore, according to the inventory management system of the present invention, the equipment cost for installing a plurality of RFID reader devices, the design cost for configuring the system using a plurality of RFID reader devices so as to use a plurality of frequency bands, and the design cost. Since no management cost is required, inventory management can be performed at a lower cost than the conventional inventory management method using RFID.

Further, the information processing device 20 detects the identifier tg attached to each article by analyzing the image taken by the image pickup device 10. Therefore, in the inventory management system of the present invention, the identifier tg may be, for example, paper on which a pattern (for example, a symbol or a character) that can identify an article is printed, so that the conventional RFID is used. Inventory management can be performed at a lower cost than the inventory management method used.

As described above, the information processing apparatus 20 according to the embodiment of the present invention can accurately grasp the position of the article and manage the inventory with a simple configuration and at low cost.

Although the embodiments of the present invention have been described in detail above, the specific configuration is not limited to the above-mentioned ones, and various design changes and the like can be made without departing from the gist of the present invention. be.

In addition, a part or all of the information processing apparatus 20 in the above-described embodiment may be realized by a computer. In that case, the program for realizing this control function may be recorded on a computer-readable recording medium, and the program recorded on the recording medium may be read by a computer system and executed.

The "computer system" referred to here is a computer system built in the information processing apparatus 20, and includes hardware such as an OS and peripheral devices. Further, the "computer-readable recording medium" refers to a portable medium such as a flexible disk, a magneto-optical disk, a ROM, or a CD-ROM, and a storage device such as a hard disk built in a computer system.

Further, a "computer-readable recording medium" is a medium that dynamically holds a program for a short time, such as a communication line when a program is transmitted via a network such as the Internet or a communication line such as a telephone line. In that case, a program may be held for a certain period of time, such as a volatile memory inside a computer system serving as a server or a client. Further, the above-mentioned program may be for realizing a part of the above-mentioned functions, and may be further realized for realizing the above-mentioned functions in combination with a program already recorded in the computer system.

Further, the information processing apparatus 20 in the above-described embodiment may be realized as an integrated circuit such as an LSI (Large Scale Integration). Each functional block of the information processing apparatus 20 may be individually made into a processor, or a part or all of them may be integrated into a processor. Further, the method of making an integrated circuit is not limited to the LSI, and may be realized by a dedicated circuit or a general-purpose processor. Further, when an integrated circuit technology that replaces an LSI appears due to advances in semiconductor technology, an integrated circuit based on this technology may be used.

1 ... Inventory management system 10 ... Image pickup device 20 ... Information processing device 210 ... Analysis unit 211 ... Identifier recognition means 212 ... Storage position calculation means 220 ... Storage unit (identifier information) Memory part)
221 ... Identifier information table 230 ... Storage management database tg, tg1, tg2, tg3, tg4, tg5 ... Identifier

Claims (12)

An information processing device used in an inventory management system consisting of an image pickup device that captures an identifier attached to an article installed in an inventory management area and an information processing device.
The information processing device has a storage unit, an identifier recognition means, and a storage position calculation means.
The identifier recognition means recognizes the identifier from the image data taken by the image pickup apparatus, and the identifier recognition means recognizes the identifier.
The storage position calculation means divides the angle of view data of the identifier by the reference angle of view data to calculate the angle of view enlargement coefficient, and calculates the placement position data of the article from the angle of view enlargement coefficient and the image position of the identifier.
An information processing device characterized by this. The information processing apparatus according to claim 1.
The storage unit stores an identifier information table that associates the identifier with the article name.
The identifier recognizing means extracts an image of the identifier from the image data taken by the image pickup apparatus, and collates the image of the identifier with the identifier recorded by the identifier information table, whereby the article to which the identifier is attached is attached. Identify the item name and
The storage position calculation means calculates the angle of view enlargement coefficient obtained by dividing the angle of view data of the identifier by the reference angle of view data related to the image position of the identifier.
The placement position data of the article is calculated from the angle of view enlargement coefficient and the image position of the identifier.
An information processing device characterized by this. The information processing apparatus according to claim 2.
The reference angle of view data related to the image position of the identifier is
The identifier of the floor surface of the inventory management area is stored in the angle of view map file in which the angle of view taken by the image pickup device is recorded for each position of the image related to the position of the floor surface.
An information processing device characterized by this. The information processing apparatus according to any one of claims 1 to 3.
An information processing apparatus having a storage management database that stores the article name of the article and the arrangement position data of the article. It is an information processing method that uses an information processing system that consists of an image pickup device that captures an identifier attached to an article installed in the inventory management area and an information processing device.
The identifier recognition means of the information processing device recognizes the identifier from the image data taken by the image pickup device, and the identifier is recognized.
The storage position calculation means of the information processing apparatus divides the angle of view data of the identifier by the reference angle of view data to calculate the angle of view enlargement coefficient, and the placement position data of the article is calculated from the angle of view enlargement coefficient and the image position of the identifier. To calculate,
An information processing method characterized by that. The information processing method according to claim 5.
The storage unit of the information processing device stores an identifier information table that associates the identifier with the article name, and stores the identifier information table.
The identifier recognizing means extracts an image of the identifier from the image data taken by the image pickup apparatus, and collates the image of the identifier with the identifier recorded by the identifier information table, whereby the article to which the identifier is attached is attached. Identify the item name and
The storage position calculation means calculates the angle of view enlargement coefficient obtained by dividing the angle of view data of the identifier by the reference angle of view data related to the image position of the identifier.
The placement position data of the article is calculated from the angle of view enlargement coefficient and the image position of the identifier.
An information processing method characterized by that. The information processing method according to claim 6.
The reference angle of view data related to the image position of the identifier is
The identifier of the floor surface of the inventory management area is stored in the angle of view map file in which the angle of view taken by the image pickup device is recorded for each position of the image related to the position of the floor surface.
An information processing method characterized by that. The information processing method according to any one of claims 5 to 7.
Store the article name of the article and the arrangement position data of the article in the storage management database.
An information processing method characterized by that. An inventory management system consisting of an image pickup device and an information processing device that captures an identifier attached to an article installed in an inventory management area.
The information processing device has a storage unit, an identifier recognition means, and a storage position calculation means.
The identifier recognition means recognizes the identifier from the image data taken by the image pickup apparatus, and the identifier recognition means recognizes the identifier.
The storage position calculation means divides the angle of view data of the identifier by the reference angle of view data to calculate the angle of view enlargement coefficient, and calculates the placement position data of the article from the angle of view enlargement coefficient and the image position of the identifier.
An inventory management system characterized by that. The inventory management system according to claim 9.
The storage unit stores an identifier information table that associates the identifier with the article name.
The identifier recognizing means extracts an image of the identifier from the image data taken by the image pickup apparatus, and collates the image of the identifier with the identifier recorded by the identifier information table, whereby the article to which the identifier is attached is attached. Identify the item name and
The storage position calculation means calculates the angle of view enlargement coefficient obtained by dividing the angle of view data of the identifier by the reference angle of view data related to the image position of the identifier.
The placement position data of the article is calculated from the angle of view enlargement coefficient and the image position of the identifier.
An inventory management system characterized by that. The inventory management system according to claim 10.
The reference angle of view data related to the image position of the identifier is
The identifier of the floor surface of the inventory management area is stored in the angle of view map file in which the angle of view taken by the image pickup device is recorded for each position of the image related to the position of the floor surface.
An inventory management system characterized by that. The inventory management system according to any one of claims 9 to 11.
An inventory management system comprising a storage management database that stores the article name of the article and the arrangement position data of the article.

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